Electrostatic latent image developing methods and apparatuses fo

Details Electrostatic latent image developing methods and apparatuses fo Electrostatic latent image developing methods and apparatuses fo

1996-01-31

1997-06-17

Grimley, Arthur T.

Electrophotography

Image formation

Combined with scanning

347131, 347250, 430117, 430125, 399245, G03G 1510

Patent

active

056402309

ABSTRACT:
An electrostatic latent image developing method and an apparatus used in the latent image developing method are disclosed. In a first image developing method, a bias supply voltage provided to a developing dish is gradually increased during a developing process so as to prevent a decrease in an effective bias voltage applied to the developing dish caused by the attachment of the toner to the developing dish. Further, in a second developing method, the electrostatic latent image is formed on a photosensitive member by scanning a laser beam on a preliminarily charged photosensitive member in a lateral scanning direction, the thus formed latent image is developed by absorbing a toner in a liquid developer in a developing dish, wherein a cleaning pattern image having a large toner absorbability for absorbing the toner attached to a surface of the developing dish is provided on the photosensitive member by the laser beam before and/or after the latent image is formed on the photosensitive member.

REFERENCES:
patent: 3892481 (1975-07-01), Schaefer et al.
patent: 4021111 (1977-05-01), Kuroishi et al.
patent: 5140350 (1992-08-01), Itoh
patent: 5442426 (1995-08-01), Yamamura et al.
patent: 5477313 (1995-12-01), Kuramochi et al.

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